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(38,291 articles)
Popular News
US to Improve Reporting of Laser Sales
WASHINGTON -- WASHINGTON -- The US Department of Commerce has agreed to adopt new categories for tracking laser sales as part of its North American Industrial Classification System. Beginning in January 2000, the department’s survey of sales for 1999 will track both diode and nondiode lasers. Diode lasers will be categorized by wavelength and power level; nondiode lasers will be listed by lasing material and power level. Laser makers will be required to supply the Commerce Department with annual...
Industrial Laser Shipments Slide
Sep 1, 1999 — Industrial laser shipments dropped 10 percent for the first quarter of 1999, despite the increased popularity of CO2 laser systems for cutting applications, according to statistics compiled by the Association for Manufacturing Technology. Last year...
Shareholder Issues Complaint over Thermo Vision Merger
Sep 1, 1999 — A Thermo Vision Corp. shareholder has issued a complaint against the planned merger of the company and its parent, Thermo Instrument Systems Inc. In early July, Thermo Vision’s board of directors voted to sell the company’s outstanding...
Court Upholds Verdict Against GSI
Sep 1, 1999 — The US District Court for the Northern District of California has denied a request by General Scanning Inc. for a new trial concerning a patent infringement dispute with Electro Scientific Industries Inc. of Portland, Ore. The dispute centered on...
Bio-Rad Levels Charges Against Zeiss
Sep 1, 1999 — A dispute over rights to multiphoton fluorescence excitation has emerged between Carl Zeiss GmbH of Jena, Germany, and Bio-Rad Laboratories Inc. in Hertfordshire, UK. Bio-Rad says it signed a worldwide exclusive license with Cornell...
Abject About Aberration?
Sep 1, 1999 — Chromatic aberration, spherical aberration and astigmatism induce sweat on the brows of optical designers in many diverse application areas. Avoiding these deviations from "perfect" optical systems is often difficult, but correcting them with...
Adventures in Drug Discovery
Sep 1, 1999 — With billions of dollars at stake, pharmaceutical companies go to exotic lengths to find the cures for what ails us. And photonics goes with them. In the film Medicine Man, Sean Connery lived in a jungle treehouse where he searched for a cure for...
Keep Your Photonics in Line
Sep 1, 1999 — Communications network engineers have found polarization-maintaining fiber to be a finicky but necessary technology for coherent transmission systems. Advanced splicing tools can help tame the beast. Once an exotic technology used primarily by...
The Tribulations of Trials
Sep 1, 1999 — It’s human nature to try to thwart a double-blind clinical trial of a new drug: Am I taking the real drug or a placebo? A pharmaceutical company is investigating ways of using photonics to ensure that nobody finds the answer. Deep inside a...
Virtual Rays Enlighten Lamp Designs
Sep 1, 1999 — To most engineers, light-emitting diodes (LEDs) seem rather simple, comprising a chip inside a plastic envelope with leads sticking out. When you apply current to one end, light comes out the other end. In fact, LEDs are quite a bit more...
Center for Adaptive Optics to Be Established
Sep 1, 1999 — For the first time in eight years, the National Science Board has approved another series of National Science Foundation Science and Technology Centers, including a facility for the study of adaptive optics at the University of California in Santa...
Call for Congressional Fellows
Sep 1, 1999 — The Optical Society of America (OSA) and the Materials Research Society (MRS) invite applications for the Congressional Science and Engineering Fellowship, a one-year position to begin Sept. 1, 2000. The program was established in 1995 to facilitate...
NSF Grants Interdisciplinary Awards
Sep 1, 1999 — The National Science Foundation announced grants to 21 institutions under its Integrative Graduate Education and Research Training program, now in its second year. The awards, which will total $54.5 million over five years, are intended to foster...
PRC Acquires Lee Laser
Sep 1, 1999 — PRC Laser of Landing, N.J., has acquired Lee Laser Inc., the Orlando, Fla.-based OEM supplier of lamp- and diode-pumped Nd:YAG lasers. PRC, which manufactures high-power CO2 industrial lasers, hopes the acquisition will help to better address the...
Semiconductor Industry Shows Signs of Recovery
Sep 1, 1999 — Semiconductor Equipment and Materials International of Mountain View, Calif., reported a preliminary June 1999 book-to-bill ratio of 1.24 for North American-based manufacturers of semiconductor equipment. The trade organization, which represents...
Companies Develop Dense WDM Submarine Modules
Sep 1, 1999 — SDL Inc. of San Jose, Calif., and Alcatel Optronics of Nozay, France, have produced a high-performance grating-stabilized 980-nm pump module for undersea communications networks. The device, the result of a collaborative project, was unveiled at the...
Technique Simplifies 3-D Molecular Research
CAMBRIDGE, Mass. -- CAMBRIDGE, Mass. -- Although scientists commonly use far-field polarization microscopy to measure the orientation of single molecules, it was thought that the technology could obtain only two-dimensional information. Now researchers at the...
Array Speeds Protein, DNA Analysis
EDMONTON, Alberta, Canada -- EDMONTON, Alberta, Canada -- Researchers at the University of Alberta have developed a capillary electrophoresis system that can significantly speed protein analysis and DNA sequencing. Most commercial capillary electrophoresis systems have one...
Atom Detects Photon Without Destroying It
Paris -- Paris -- Catching light in a box has always been an alluring aspiration. Young children will slam the lid down on a ray of sunlight, hoping to capture its magic glow. The problem is, how do you know the light is in there if the lid is closed? And if...
CMOS Camera Won’t Be Blinded by the Light
DUISBURG, Germany — Photographers commonly find themselves in situations with too little or too much light. An inability to deal with changing brightness is a weakness of amateur and professional cameras.Cars could use recently developed CMOS imaging technology for...
Buckyball Emits White Light
Sep 1, 1999 — Unique C60 atom configurations known as buckyballs have attracted notice for their ability to quench light. Now a team of University of California researchers say they've discovered that buckyballs can also emit white light. The scientists added...
Tetrahedron of Silver Balls Models Chaos of Light Beams
COLLEGE PARK, Md. — Get your laser pointer ready to create some (legal) chaos. Using a set of four silvered balls, each 12 inches in diameter, put three of the balls in a triangular pattern and add the fourth to the top to build a pyramid-shaped stack. Voila! You have...
Chemical Laser Advances
CHAMPAIGN, Ill. -- CHAMPAIGN, Ill. -- Researchers at the University of Illinois have brought the chemical oxygen-iodine laser closer to the industrial market. A redesigned nozzle and nitrogen instead of helium as the buffer gas have made the device more efficient and...
Optical Cross-Connect Reduces Loss
BOULDER, Colo. — When your office phone rings indicating an outside call, chances are the signal passed through an electronic switch somewhere in the building -- even if the incoming signal came off an optical fiber trunk line and traveled along glass fiber to your...
’Dark Beams’ Revealed
Sep 1, 1999 — Researchers have tried to demystify the presence of "dark beams," complex arrays that result from emissions of broad-area vertical-cavity surface-emitting lasers. A team from Haifa University in Israel discovered that these dark spot arrays consist...
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July 2024
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